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January 08, 2015

NASA Mars Rover Opportunity Climbs to High Point on Rim

NASA's Mars Exploration Rover Opportunity is continuing its traverse southward on the western rim of Endeavour Crater during the fall of 2014, stopping to investigate targets of scientific interest along way. This view is from Opportunity's front hazard avoidance camera on Nov. 26, 2014.
Opportunity's View from Atop 'Cape Tribulation'
NASA's Mars Exploration Rover Opportunity recorded this view of the summit of "Cape Tribulation," on the western rim of Endeavour Crater on the day before the rover drove to the top. This crest is about 440 feet higher in elevation than the plain surrounding the crater.
Images and Captions
After completing two drives this week, NASA's Mars Exploration Rover Opportunity has paused to photograph the panoramic vista from the highest point the rover has reached during its 40 months of exploring the western rim of Mars' Endeavour Crater. The view is one of the grandest in Opportunity's Martian career of nearly 11 years and more than 25.8 miles (41.6 kilometers).

The rover has been having trouble with a section of its flash memory, the type of memory that can store data even when power is switched off. Opportunity's operators at NASA's Jet Propulsion Laboratory, Pasadena, California, have adopted a tactic of avoiding use of the flash memory, while they prepare a software remedy to restore its usability.

The rover is atop "Cape Tribulation" on Endeavour Crater's rim. Like the informal names for several other features around the 14-mile-wide (22-kilometer-wide) crater, the name Cape Tribulation is a reference to one of the locations visited by the HMS Endeavour captained by James Cook in his first voyage of discovery to Australia and New Zealand in 1769-1771.

A view from the summit of the Martian Cape Tribulation is online at:

http://www.jpl.nasa.gov/spaceimages/details.php?id=PIA19098

The summit's elevation is about 440 feet (about 135 meters) above the plains surrounding the crater. Drives completed on Jan. 5 and Jan. 6, without use of flash memory, brought Opportunity the final 174 feet (53 meters) southeastward to the crest.

From this site, Opportunity will proceed southward along the crater rim to a location called "Marathon Valley," where water-related minerals have been detected from orbit. That site's informal name comes from the calculation that Opportunity will have completed a marathon-footrace's distance of driving (26.2 miles, or 42.2 kilometers) by the time the rover gets there. The rover's current odometry is 25.86 miles (41.62 kilometers).

Opportunity powers down every night in order to have enough energy for daily operations. Without use of the onboard flash memory, it cannot store images or other data overnight. While operating in a no-flash mode, the mission is downloading each day's data before beginning the overnight sleep. Meanwhile, the rover team is testing a software fix that would mask off the portion of the flash memory that has problems. This would allow resuming use of the rest of the flash memory.

"The fix for the flash memory requires a change to the rover's flight software, so we are conducting extensive testing to be sure it will not lead to any unintended consequences for rover operations," said JPL's John Callas, project manager for Opportunity.

Opportunity landed on Mars on Jan. 25, 2004, Universal Time (on Jan. 24, 2004, Pacific Standard Time) for a mission planned to last three months. Since then, and during the 2004-2010 career of Opportunity's twin, Spirit, NASA's Mars Exploration Rover Project has yielded a range of findings proving wet environmental conditions existed on ancient Mars -- some very acidic, others milder and more conducive to supporting life.

JPL, a division of the California Institute of Technology in Pasadena, manages the Mars Exploration Rover Project for NASA's Science Mission Directorate in Washington. For more information about Spirit and Opportunity, visit:

http://www.nasa.gov/rovers

and

http://marsrovers.jpl.nasa.gov

You can follow the project on Twitter and on Facebook at:

http://twitter.com/MarsRovers

and

http://www.facebook.com/mars.rovers

Guy Webster Jet Propulsion Laboratory, Pasadena, Calif. 818-354-6278 guy.webster@jpl.nasa.gov

NEWS RELEASE: 2014-011


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